The president’s actions over the past 72 hours look like an effort to force Kyiv to surrender.

A Russian jet-powered drone hit Ukraine’s National Academy of Sciences, the source of almost all of the country’s major scientific discoveries.

Pierre Damas Bel stepped into highway traffic after losing his immigration status. Before that, he posed for a picture of his ankle bracelet.

Gen. Christopher T. Donahue’s vision for fighting future wars won him powerful supporters around the world. Could they save his career?

She challenged sexist assumptions, helping women develop a sense of self-worth and gain a measure of equality at work, at home and in society at large.

The bomb that hit the residential area was American, according to a weapons expert and a visual analysis by The Times. It killed five people and wounded 67 others, the Iranian authorities said.

A.I. could turn one of our country’s worst habits into a national security crisis.

This is how we decide who we are and who we want to be.

Russell Vought is going to destroy American Science

A refugee with little sight and no English, he had been jailed for a year, intercepted by federal agents and delivered to a merciless Buffalo winter.

Special Counsel Robert Mueller's job is to make sense of how Russia hacked the 2016 election. But to make sense of Mueller, you have to revisit Vietnam's bloodiest battles.

The Trump administration approved BP Plc’s plan to pump billions of dollars worth of crude from what will be the company’s first virgin field development in the Gulf of Mexico since the deadly 2010 Deepwater Horizon disaster that triggered the worst oil spill in US history.

The Defense secretary’s decision to cut offices that mitigate civilian harm faces renewed attention as the Pentagon investigates a strike that killed hundreds of Iranian children.

Gov. Tim Walz is pressing for answers from federal authorities regarding the detention of children in Minnesota during Operation Metro Surge. Walz demanded information more a month ago, and has not go...

A shared culture of service.